@article{Weber2026reconstruction, author={Weber, M.D. and Kuznecov, A.V.}, title={Reconstruction of cantilever stone staircases in the architecture of St. Petersburg. Part 3: how to calculate a straight flight staircase with plane treads}, journal={Proceedings of Petersburg Transport University}, publisher={FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"}, year={2026}, pages={180-189}, volume={23}, issue={1}, }